On August 5, 2021, the Environmental Protection Agency (EPA) issued a Notice of Proposed Rulemaking (NPRM) to revise the federal greenhouse gas (GHG) emissions in model years (MY) 2022-2026. In coordination with the rulemaking, the Biden Administration announced a set of new actions aimed at strengthening American leadership on clean cars and trucks, including an Executive Order (EO) setting a nationwide target for zero-emission vehicle (ZEV) sales. The National Highway Traffic Safety Administration (NHTSA) is soon expected to issue its fuel economy NPRM. EPA proposed GHG standards EPA is seeking public comment on the proposed development of new, more stringent GHG emissions standards for light-duty vehicles for MY2023 to MY2026.